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Sorry, I could not answer yesterday as my ADSL line is down.
Thanks for your interest.
Yes, it's still for sale. Pick up is in Seabrook. Not sure what type of mirror it has but I will check it today. There is some comma at the edge of the field which I guess is ok for this type of optical design but I can't tell you how much. This is my first reflector and I have nothing to compare it with.
I did all my best to collimate it with a laser collimator and it seems not bad at all. I can get stars to pinpoints in the middle of the field. However I believe that anyone with better experience in reflectors and their collimation could do it much better.
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